package main.java;

public class SortUtils {
    
    public static void sort(Comparable<?>[] a){
        
    }
    
    public static boolean less(Comparable v, Comparable w){
        return v.compareTo(w) < 0;
    }
    
    public static void exch(Comparable[] a,int i,int j){
        Comparable t = a[i];
        a[i] = a[j];
        a[j] = t;
    }
    
    public static void show(Comparable[] a){
        //在单行中打印出来
        for(int i = 0;i < a.length; i++){
            System.out.println(a[i] + " ");
        }
    }
    
    public static boolean isSorted(Comparable[] a){
        for(int i = 1; i < a.length; i++){
            if(less(a[i],a[i-1])){
                return false;
            }
        }
        return true;
    }
    
    public static void main(String[] args) {
        
    }
}
